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 <ul class="chunklist chunklist_book"><li><a href="history.html">PHP 及其相关工程的历史</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="history.php.html">PHP 的历史</a></li><li><a href="history.php.related.html">PHP 相关工程的历史</a></li><li><a href="history.php.books.html">PHP 相关书籍</a></li><li><a href="history.php.publications.html">PHP 相关文章</a></li></ul></li><li><a href="migration82.html">从 PHP 8.1.x 移植到 PHP 8.2.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration82.new-features.html">新功能</a></li><li><a href="migration82.new-functions.html">新函数</a></li><li><a href="migration82.constants.html">新全局常量</a></li><li><a href="migration82.incompatible.html">不向后兼容的变更</a></li><li><a href="migration82.deprecated.html">弃用的功能</a></li><li><a href="migration82.other-changes.html">其他变更</a></li><li><a href="migration82.windows-support.html">Windows 支持</a></li></ul></li><li><a href="migration81.html">从 PHP 8.0.x 移植到 PHP 8.1.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration81.new-features.html">新特性</a></li><li><a href="migration81.new-classes.html">新的类和接口</a></li><li><a href="migration81.new-functions.html">新函数</a></li><li><a href="migration81.constants.html">新的全局常量</a></li><li><a href="migration81.incompatible.html">不向后兼容的变更</a></li><li><a href="migration81.deprecated.html">PHP 8.1.x 废弃的功能</a></li><li><a href="migration81.other-changes.html">其他变更</a></li></ul></li><li><a href="migration80.html">从 PHP 7.4.x 移植到 PHP 8.0.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration80.new-features.html">新特性</a></li><li><a href="migration80.incompatible.html">不向后兼容的变更</a></li><li><a href="migration80.deprecated.html">PHP 8.0 废弃的功能</a></li><li><a href="migration80.other-changes.html">其他变更</a></li></ul></li><li><a href="migration74.html">从 PHP 7.3.x 移植到 PHP 7.4.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration74.new-features.html">新特性</a></li><li><a href="migration74.new-classes.html">新的类和接口</a></li><li><a href="migration74.new-functions.html">新函数</a></li><li><a href="migration74.constants.html">新的全局常量</a></li><li><a href="migration74.incompatible.html">不向后兼容的变更</a></li><li><a href="migration74.deprecated.html">PHP 7.4.x 废弃的功能</a></li><li><a href="migration74.removed-extensions.html">移除的扩展</a></li><li><a href="migration74.other-changes.html">其他变更</a></li><li><a href="migration74.windows-support.html">Windows 支持</a></li></ul></li><li><a href="migration73.html">从 PHP 7.2.x 移植到 PHP 7.3.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration73.new-features.html">新特性</a></li><li><a href="migration73.new-functions.html">新函数</a></li><li><a href="migration73.constants.html">新的全局常量</a></li><li><a href="migration73.incompatible.html">不向下兼容的变更</a></li><li><a href="migration73.deprecated.html">PHP 7.3.x 中废弃的功能</a></li><li><a href="migration73.other-changes.html">其它变更</a></li><li><a href="migration73.windows-support.html">Windows 支持</a></li></ul></li><li><a href="migration72.html">从 PHP 7.1.x 移植到 PHP 7.2.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration72.new-features.html">新特性</a></li><li><a href="migration72.new-functions.html">新函数</a></li><li><a href="migration72.constants.html">新全局常量</a></li><li><a href="migration72.incompatible.html">不向下兼容的变更</a></li><li><a href="migration72.deprecated.html">PHP 7.2.x 中废弃的功能</a></li><li><a href="migration72.other-changes.html">其他变更</a></li></ul></li><li><a href="migration71.html">从 PHP 7.0.x 移植到 PHP 7.1.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration71.new-features.html">新特性</a></li><li><a href="migration71.new-functions.html">新的函数</a></li><li><a href="migration71.constants.html">新增的全局常量</a></li><li><a href="migration71.incompatible.html">不向后兼容的变更</a></li><li><a href="migration71.deprecated.html">PHP 7.1.x 中废弃的特性</a></li><li><a href="migration71.changed-functions.html">变动的函数</a></li><li><a href="migration71.other-changes.html">其它改动</a></li><li><a href="migration71.windows-support.html">Windows 支持</a></li></ul></li><li><a href="migration70.html">从 PHP 5.6.x 移植到 PHP 7.0.x</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="migration70.incompatible.html">不向后兼容的变更</a></li><li><a href="migration70.new-features.html">新特性</a></li><li><a href="migration70.deprecated.html">PHP 7.0.x 弃用的功能</a></li><li><a href="migration70.changed-functions.html">变更的函数</a></li><li><a href="migration70.new-functions.html">新函数</a></li><li><a href="migration70.classes.html">新的类和接口</a></li><li><a href="migration70.constants.html">新的全局常量</a></li><li><a href="migration70.sapi-changes.html">SAPI 模块的变化</a></li><li><a href="migration70.removed-exts-sapis.html">移除的扩展和 SAPI</a></li><li><a href="migration70.other-changes.html">Other Changes</a></li></ul></li><li><a href="migration56.html">从 PHP 5.5.x 移植到 PHP 5.6.x</a><ul 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配置选项列表</a></li><li><a href="ini.sections.html">php.ini 配置段列表</a></li><li><a href="ini.core.html">php.ini 核心配置选项说明</a></li></ul></li><li><a href="extensions.html">扩展库列表／归类</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="extensions.alphabetical.html">按字母顺序</a></li><li><a href="extensions.membership.html">按归属分</a></li><li><a href="extensions.state.html">按状态分</a></li></ul></li><li><a href="aliases.html">函数别名列表</a></li><li><a href="reserved.html">保留字列表</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="reserved.keywords.html">关键词列表</a></li><li><a href="reserved.classes.html">预定义类</a></li><li><a href="reserved.constants.html">预定义常量</a></li><li><a href="reserved.other-reserved-words.html">其他保留字列表</a></li></ul></li><li><a href="resource.html">资源类型列表</a></li><li><a href="filters.html">可用过滤器列表</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="filters.string.html">字符串过滤器</a></li><li><a href="filters.convert.html">转换过滤器</a></li><li><a href="filters.compression.html">压缩过滤器</a></li><li><a href="filters.encryption.html">加密过滤器</a></li></ul></li><li><a href="transports.html">所支持的套接字传输器列表</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="transports.inet.html">Internet 域：TCP，UDP，SSL 和 TLS</a></li><li><a href="transports.unix.html">Unix 域：Unix 和 UDG</a></li></ul></li><li><a href="types.comparisons.html">PHP 类型比较表</a></li><li><a href="tokens.html">解析器记号（token）列表</a></li><li><a href="userlandnaming.html">用户空间命名指南</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="userlandnaming.globalnamespace.html">全局命名空间</a></li><li><a href="userlandnaming.rules.html">规则</a></li><li><a href="userlandnaming.tips.html">提示</a></li></ul></li><li><a href="about.html">关于本手册</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="about.formats.html">手册的格式</a></li><li><a href="about.notes.html">关于用户注释</a></li><li><a href="about.prototypes.html">如何阅读函数的定义（函数原型）</a></li><li><a href="about.phpversions.html">本手册中所涉及的 PHP 版本</a></li><li><a href="about.more.html">如何得到关于 PHP 更多的信息</a></li><li><a href="about.howtohelp.html">如何帮助改进本文档</a></li><li><a href="about.generate.html">如何生成手册的各种格式</a></li><li><a href="about.translations.html">手册译文</a></li></ul></li><li><a href="cc.license.html">Creative Commons Attribution 3.0</a></li><li><a href="indexes.html">索引</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="indexes.functions.html">函数和方法列表</a></li><li><a href="indexes.examples.html">示例列表</a></li></ul></li><li><a href="doc.changelog.html">更新日志</a></li></ul></div></div></div></body></html>